Home / 119,845.08-165,379.23-66,129.98

Finding the Fourth Proportional to 119,845.08, 165,379.23 and 66,129.98

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Solution

The fourth proportional to 119,845.08, 165,379.23 and 66,129.98 is: 91,255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,845.08 : 165,379.23 = 66,129.98 : x
  2. Step 2: Convert to fraction form
    119,845.08/165,379.23 = 66,129.98/x
  3. Step 3: Cross multiply
    119,845.08x = 165,379.23 × 66,129.98
  4. Step 4: Simplify right side
    119,845.08x = 10,936,524,345.42
  5. Step 5: Solve for x
    x = 10,936,524,345.42/119,845.08
  6. Step 6: Final answer
    x = 91,255.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.